JPS5383047A - Protective relay - Google Patents
Protective relayInfo
- Publication number
- JPS5383047A JPS5383047A JP15812876A JP15812876A JPS5383047A JP S5383047 A JPS5383047 A JP S5383047A JP 15812876 A JP15812876 A JP 15812876A JP 15812876 A JP15812876 A JP 15812876A JP S5383047 A JPS5383047 A JP S5383047A
- Authority
- JP
- Japan
- Prior art keywords
- protective relay
- progressive wave
- line
- fault
- assuming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
PURPOSE: To provide an operation of high speed fault detection, by such means that with a progressive wave of voltage and current taken into consideration in the power transmission line by assuming said line as distributed constant circuit, a flow of this progressive wave varied by a fault be detected.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51158128A JPS5854574B2 (en) | 1976-12-29 | 1976-12-29 | Protective relay device |
US05/863,677 US4183072A (en) | 1976-12-29 | 1977-12-23 | Protective relaying system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51158128A JPS5854574B2 (en) | 1976-12-29 | 1976-12-29 | Protective relay device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5383047A true JPS5383047A (en) | 1978-07-22 |
JPS5854574B2 JPS5854574B2 (en) | 1983-12-05 |
Family
ID=15664890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51158128A Expired JPS5854574B2 (en) | 1976-12-29 | 1976-12-29 | Protective relay device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5854574B2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52114940A (en) * | 1976-03-19 | 1977-09-27 | Mitsubishi Electric Corp | Digital protective relay unit of multiple terminal transmission line |
-
1976
- 1976-12-29 JP JP51158128A patent/JPS5854574B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52114940A (en) * | 1976-03-19 | 1977-09-27 | Mitsubishi Electric Corp | Digital protective relay unit of multiple terminal transmission line |
Also Published As
Publication number | Publication date |
---|---|
JPS5854574B2 (en) | 1983-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS52120748A (en) | Pulse detection circuit | |
JPS5285416A (en) | High-tension generating unit | |
JPS5383047A (en) | Protective relay | |
JPS5329549A (en) | Protection device for dc power transmission | |
JPS5439535A (en) | Average value operation circuit | |
JPS5425445A (en) | Apparatus protective device | |
JPS52153141A (en) | Transformer protective relay system | |
JPS52120353A (en) | Protective device for dc power transmission system | |
JPS5391357A (en) | Digital protective relay device | |
JPS52114940A (en) | Digital protective relay unit of multiple terminal transmission line | |
JPS53116446A (en) | Fault point locator for power transmission line | |
JPS52104895A (en) | Thermo-type permanet current switch | |
JPS5316843A (en) | Protective relay device | |
JPS53116445A (en) | Locating fault point in power transmission line | |
JPS52144750A (en) | Detecting serious fault in station | |
JPS52106448A (en) | Generator fluctuation suppressor | |
JPS5319541A (en) | Tidal flow controller in system | |
JPS5395222A (en) | Protective system for generator | |
JPS5435344A (en) | Transpormer protective relay | |
JPS52104715A (en) | Control equipment of d.c. motor | |
JPS5378036A (en) | Sequential fault indicator | |
JPS52126743A (en) | Detecteing method and device for reactive power | |
JPS5220248A (en) | Converter circuit proteceive relay means | |
JPS5220247A (en) | Converter circuit protective relay means | |
JPS53122377A (en) | Semiconductor device |